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P0098 Acura Code - Intake Air Temperature Sensor 2 Circuit High Voltage

Quick Answer

The P0098 diagnostic trouble code (DTC) in Acura vehicles specifically refers to an issue with the Intake Air Temperature Sensor 2 Circuit registering higher than normal voltage. Common causes include Faulty intake air temperature sensor, Wiring issues such as a short circuit or open circuit in the sensor circuit, ECM malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0098 Acura indicates Intake Air Temperature Sensor 2 Circuit High Voltage.
Common causes
Common causes include Faulty intake air temperature sensor, Wiring issues such as a short circuit or open circuit in the sensor circuit, ECM malfunction.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0098 Acura Description

The P0098 diagnostic trouble code (DTC) in Acura vehicles specifically refers to an issue with the Intake Air Temperature Sensor 2 Circuit registering higher than normal voltage. The intake air temperature sensor is a crucial component that measures the temperature of the incoming air into the engine. This information is used by the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. When the sensor detects high voltage, it means that the intake air temperature is likely higher than it should be, which can lead to a variety of performance issues.

OBDII Code P0098 Acura - Intake Air Temperature Sensor 2 Circuit High Voltage
P0098 Acura Code - Intake Air Temperature Sensor 2 Circuit High Voltage

Common Causes of P0098 Acura

  1. Faulty intake air temperature sensor
  2. Wiring issues such as a short circuit or open circuit in the sensor circuit
  3. ECM malfunction
  4. Poor electrical connections
  5. Engine overheating causing high intake air temperature readings

Symptoms of P0098 Acura

  1. Decreased fuel efficiency
  2. Rough idling or engine misfires
  3. Hesitation during acceleration
  4. Engine stalling
  5. Check Engine Light illuminated on the dashboard

How to Fix P0098 Acura

  1. Begin by diagnosing the issue using a scan tool to confirm the P0098 code and identify the specific problem.
  2. Inspect the intake air temperature sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
  3. Check the wiring harness for any loose connections, shorts, or open circuits. Repair or replace the wiring as needed.
  4. Clear the DTC with the scan tool and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause, such as testing the ECM for faults or conducting a thorough inspection of the intake system.

Cost to Fix P0098 Acura

The typical repair costs for addressing the P0098 code in an Acura vehicle can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence the final repair costs. To get an accurate estimate, it is recommended to consult with a reputable auto repair shop in your area.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0098 Acura Code

1. What are the common symptoms of OBDII code P0098 in an Acura related to the Intake Air Temperature Sensor 2 Circuit High Voltage?

A: Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.

2. What can cause OBDII code P0098 to trigger in an Acura?

A: The code is typically triggered by a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the sensor circuit.

3. How can I diagnose the Intake Air Temperature Sensor 2 Circuit High Voltage issue in my Acura?

A: Use a multimeter to test the sensor's resistance, check for damaged wiring, and ensure proper connection to the sensor and ECM.

4. Can driving with OBDII code P0098 in an Acura cause further damage?

A: Continuing to drive with this issue can potentially lead to engine damage or poor performance, so it's advisable to address the problem promptly.

5. What are some repair tips for resolving OBDII code P0098 in an Acura?

A: Start by inspecting the sensor and its connections for any visible damage, then replace the sensor if necessary. Ensure all wiring is intact and properly connected.

6. Is it safe to reset the OBDII code P0098 in my Acura without fixing the underlying issue?

A: It is not recommended to simply reset the code without addressing the root cause, as the problem may persist and potentially lead to more severe issues.

7. Can a DIY enthusiast fix the Intake Air Temperature Sensor 2 Circuit High Voltage problem in an Acura?

A: Yes, if you have the necessary tools and knowledge, you can replace the sensor and check the wiring yourself. However, if you're unsure, it's best to consult a professional mechanic.

8. How much does it typically cost to repair OBDII code P0098 related to the Intake Air Temperature Sensor in an Acura?

A: The cost can vary depending on the exact cause of the issue, but replacing the sensor and addressing any wiring problems may range from $100 to $300, including parts and labor.

9. Will fixing OBDII code P0098 improve my Acura's performance and fuel efficiency?

A: Yes, resolving this issue should lead to improved engine performance, smoother idling, better fuel efficiency, and overall smoother operation of your vehicle.

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